Beginners - C++ Forum - February 2011 (Page 5)

my OS is window xp sp3 compiler? : GCC 4.5(minGW) IDE : code blocks 10.05 I am using the library openCV2.2 below is my code template<typename T> void...

[2 replies] Last: Thanks a lot (by stereoMatching)

by boredToDeath

Passing an array to a function:

Hi, I've been trying for hours to find out the error in this program, it has something to do with passing the array to the function, here is the program: #i...

[4 replies] Last: It worked! I added square brackets to the prototype and it worked, but... (by boredToDeath)

by mlwhiteley

Passying 2 int to a function then trying to use them to set a array

I am trying to call the following function as so: int displayTable(int x, int y) { int mTable ; cout << "\n\n_______________________________________...

[5 replies] Last: Oh good heavens, just use a 2d vector... Really I see absolutely no r... (by ultifinitus)

by schule

C++ program errors

Hello, I want to set up my program on linux. I compile it, but when I made it, give the following errors: index_set.h: In constructor ‘index_set<T, Cmp>...

[2 replies] Last: Hi Kultrva, I use versiyon of g++-3.4, gcc-3.4, cpp-3.4, libg2c0-3.... (by schule)

by Faltoup

Unexpected output when summing reciprocals of squares

Hello everyone! I'm new to C++ and have a problem with exercise 3.6 from Scheinerman's C++ for mathematicians . The exercise asks me to write a programm that,...

[5 replies] Last: Okay, that's right. Thanks for pointing it out. I killed it and am lef... (by Faltoup)

by Olasupo

am new to C++

please i wanna write a programme console application using borland turbo c++ that ask users for an angle entered in radians,the programme should then display t...

[11 replies] Last: no need std:: if you use #include <iostream.h> head file . That's b... (by filipe)

by LeeReissig

Multi-lingual, random output-Hello World program

Hello guys! absolute beginner here. trying to write a program that randomly displays one of these 6 phrases - English Hello world! ...

[7 replies] Last: Wouldn't a switch case be better. Or does the "instructor" want you to... (by king214)

by ascaron50

keylogger problem

this is a program that i want to do, but the first problem is that it takes like 50% of my processor, how can i fix that ? #include <windows.h> #incl...

[1 reply] : Adding a Sleep(10) in your loop is one of many solutions (however, not... (by Athar)

by zone19871

Is this a pointer or a reference?

int x = 100; int xx; int *pointer; pointer = &x xx = *pointer; I am getting confused myself so im asking here to make it clear to myself. Is this a poi...

[3 replies] Last: Thank you for the input and i get it now i hope hahaha (by zone19871)

by swanejs1

The term "(inclusive)"

Hi guys I'm busy with my very first assignment and I've stubled upon a trick qeustion. Please bear in mind that English is not my first language and that is ...

[3 replies] Last: Yes. (by Athar)

by nyy601

how to recieve a class object in a function?

Completely stumped on how to do this. It is a class project in which we must make witches and wizards battle at rock, paper, scissors. We are given the code f...

[1 reply] : Passing a custom class object to a function is exactly the same as pas... (by Bazzy)

by Necrogigas

SDL Linker Error

In Visual Studio 2010 Ultimate I'm getting the following, fatal error LNK1104: cannot open file 'SDL.lib' I don't understand why though. My additional inc...

[1 reply] : My additional include directories are: C:\Program Files\SDL\include ... (by programmer47)

by ogward

cannot instantiate abstract class

Hi! I've made these operator overloading functions before but for some reason it is complaining now... this is what I have. in header file. Present **...

[4 replies] Last: thanks a lot! I think I solved it with clone(). (by ogward)

by aquafina

Vertical Assignment of a 2D array

Hi, I have a 2D 3X4 matrix a ={{0,1,1,0},{1,0,1,0},{0,0,1,1}}; Visually, 0110 1010 0011 Is there a way to assign a vertical strip of a 2D array into ...

[1 reply] : Sorry. Stupid Question. :( (by aquafina)

by sudhirs18

Linked List

Hi, I'm new to c++. My program below uses a linked list to add / remove / display / query data of type string. Issue faced: There is no problem with th...

[3 replies] Last: whoops. didn't notice your list was sorted. you're right. roll_number... (by hamsterman)

by ferrovial

Function not working properly?

Hello every1, i have been learning c++ by reading books, and i was confused when i came into this: #include <iostream> #include <stdio> using namespace st...

[8 replies] Last: @filipe is it because it doesn't limit check (or how it is supposed to... (by ferrovial)

by Ahlquist50

Generating Random Number

I recieved this assignment for my beginner's c++ course and I am having trouble writing this program. Specifically, I am having trouble with the part that I hav...

[6 replies] Last: @Grey Wolf Got it. Thank you very much. @fun2code You must have m... (by alexanderswang)

by stereoMatching

Could I find this kind of iterator from boost?

example std::vector<size_t> data(10); std::iota(data.begin(), data.end(), 0);//assign value to data from 0~9 iteratorIneed it(data, data.begin(), 2), it_e...

[2 replies] Last: Thanks, I need this kind of iterator because the memory geometry of ... (by stereoMatching)

by mlwhiteley

Trying to passing 2 parameters using 1 function call as the parameters

Hi, I am trying to call a function that needs two parameters. I know I can do something like this: add(num(),num()); Where add is a function that nee...

[2 replies] Last: Thanks! (by mlwhiteley)

by kultrva

Multidimensional Linked List

I am trying to make an old-school game, much like the original Zork. I need to generate a world and I have been told that a linked list may be the best way to g...

[2 replies] Last: Make a class called "room" or "space", and then make a vector of them.... (by rocketboy9000)

C++

Forum

Beginners - February 2011 (Page 5)